Vault for chemical injection system



FIG. 1 is a top front left perspective view of vault for chemical injection system showing my new design;

FIG. 2 is a top front right perspective view thereof;

FIG. 3 is a top back right perspective view thereof;

FIG. 4 is a top back left view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left view thereof;

FIG. 8 is a right view thereof;

FIG. 9 is a front view thereof; and,

FIG. 10 is a back view thereof. 

CLAIM The ornamental design for a vault for chemical injection system, as shown and described. 